Hydrocharis morsus-ranae L.
IUCN
NCBI
EOL Text
introduced; Ont., Que.; N.Y.; Eurasia.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220006621 |
Herbs, to 20 cm. Rhizomes absent; stStolon buds with 1 root. Leaves floating or, in dense vegetation, emergent; blade 1.2--6 ´ 1.3--6.3 cm; primary veins forming 75--90° angle with midvein, broadly curving, aerenchyma confined to midvein region (not margin to margin as in Limnobium), individual aerenchyma space (located ca. 1 mm from either side of midvein) 0.1--0.5 mm across its longest axis, 0.1--0.5 mm wide, 1 mm from midvein. Flowers: staminate flowers 1--5 in each spathe; pedicel to 4 cm; stamens 9--12 in 4 whorls; filaments basally not obviously connate; pistillate flowers solitary; pedicels to 9 cm; styles 2-fid for less than ½ length. Seeds 1--1.3 mm. 2n = 28 (Netherlands).
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220006621 |
Habitat and Ecology
Systems
- Freshwater
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| Rights holder/Author | © International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/164128 |
Ponds, bays of rivers; 10--50m.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220006621 |
Foodplant / feeds on
larva of Bagous puncticollis feeds on Hydrocharis morsus-ranae
Foodplant / open feeder
imago of Galerucella grisescens grazes on leaf of Hydrocharis morsus-ranae
In Great Britain and/or Ireland:
Foodplant / spot causer
embedded sorus of Tracya hydrocharidis causes spots on live petiole of Hydrocharis morsus-ranae
Flowering spring--fall.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220006621 |
The following is a representative barcode sequence, the centroid of all available sequences for this species.
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 6
Species With Barcodes: 1
Red List Criteria
Year Assessed
Assessor/s
Reviewer/s
Contributor/s
Justification
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | © International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/164128 |